Simulation - I.
A major use of computers these days, after writing and text editing,
graphics, program compilation, etc. is simulation.
More than 9 out of 10 experiments are done on computers these days.
I have already mentioned my serious worries that we are depending
on simulation more and more, and are looking at reality less and less,
and hence seem to be approaching the old scholastic attitude that
what is in the textbooks is reality and does not need constant
experimental checks. I will not dwell on this point further now.
We use computers to do simulations because they are: (1) cheaper,
(2) faster, (3) often better, and (4) can do what you cannot do
in the lab.
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